Figure 1.

Management algorithm after screening targeted neonatal echocardiogram. Treatment is based on the underlying pathophysiology identified on the screening evaluation. GA = gestational age; HRF = hypoxemic respiratory failure; iNO = inhaled nitric oxide; IV = intravenous; LV = left ventricular; PDA = patent ductus arteriosus; PH = pulmonary hypertension; ppm = parts per million; PVR = pulmonary vascular resistance; Q6H = every 6 hours; RV = right ventricular; TnECHO = targeted neonatal echocardiography.